Mitigation of Half-Cycle Saturation of Adjacent Transformers during HVDC Monopole Operation - Part II: Detecting Zero-Sequence Fault Currents
IEEE Transactions on Power Delivery(2020)
摘要
This two-part paper presents a method to mitigate half-cycle saturation of transformers caused by monopolar operation of neighboring HVDC transmission lines while keeping the ability to detect the zero-sequence fault currents (ZSFC) when ground faults occur. Part I of this paper has presented the mitigation principles and device design of the proposed neutral current blocking switch. In Part II, t...
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关键词
Switches,Fault currents,Fault detection,Switching frequency,Inductance,Electrical fault detection
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